Cheapest one-way flights from Ontario to Seoul in September from 440€

AirHint found the following cheapest one-way flights from Ontario (ONT) to Seoul (ICN) in September 2026 (see full year).

One-Way flights

04 Sep Frontier Airlines
29 Sep China Airlines
30 Sep China Airlines
19 Sep China Airlines
28 Sep China Airlines
06 Sep China Airlines
12 Sep China Airlines
07 Sep China Airlines
13 Sep China Airlines
21 Sep China Airlines

Also check the deals for return flights from Ontario to Seoul in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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